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bugfix [#20709] Strange rendering artifacts in raytraced refraction

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This commit is contained in:
Campbell Barton
2010-02-03 13:54:09 +00:00
parent 116a52ee21
commit 1f3e277121
1 changed files with 7 additions and 2 deletions
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9
source/blender/render/intern/source/rayshade.c
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@@ -699,7 +699,8 @@ static void ray_fadeout(Isect *is, ShadeInput *shi, float *col, float *blendcol,
col[2] = col[2]*blendfac + (1.0 - blendfac)*blendcol[2];
}
/* the main recursive tracer itself */
/* the main recursive tracer itself
* note: 'col' must be initialized */
static void traceray(ShadeInput *origshi, ShadeResult *origshr, short depth, float *start, float *vec, float *col, ObjectInstanceRen *obi, VlakRen *vlr, int traflag)
{
ShadeInput shi;
@@ -1316,7 +1317,9 @@ static void trace_refract(float *col, ShadeInput *shi, ShadeResult *shr)
/* no blurriness, use the original normal */
VECCOPY(v_refract_new, v_refract);
}
sampcol[0]= sampcol[1]= sampcol[2]= sampcol[3]= 0.0f;
traceray(shi, shr, shi->mat->ray_depth_tra, shi->co, v_refract_new, sampcol, shi->obi, shi->vlr, RAY_TRA|RAY_TRAFLIP);
col[0] += sampcol[0];
@@ -1414,6 +1417,8 @@ static void trace_reflect(float *col, ShadeInput *shi, ShadeResult *shr, float f
else
reflection(v_reflect, v_nor_new, shi->view, NULL);
sampcol[0]= sampcol[1]= sampcol[2]= sampcol[3]= 0.0f;
traceray(shi, shr, shi->mat->ray_depth, shi->co, v_reflect, sampcol, shi->obi, shi->vlr, 0);